/* EPO277 · Identidad visual institucional */

:root {
  /* ==========================================================================
     Superficies e Identidad Visual (Basado en el Logo de la Prepa 277)
     ========================================================================== */
  
  /* Superficies */
  --bg-main: #f8fafc;         /* Gris ultra claro institucional para el fondo general */
  --bg-card: #ffffff;         /* Blanco puro para tarjetas y contenedores limpios */
  --bg-muted: #f1f5f9;        /* Gris suave para secciones secundarias */

  /* Texto */
  --text-primary: #0f172a;    /* Azul pizarra oscuro para máxima legibilidad en títulos */
  --text-secondary: #334155;  /* Gris pizarra para texto de cuerpo legible y sobrio */
  --text-muted: #64748b;      /* Gris medio para subtítulos o fechas */
  --text-inverse: #ffffff;    /* Blanco para textos sobre fondos oscuros */

  /* Marca (Inspirado en la sobriedad académica y el contraste del logo) */
  --color-primary: #0f172a;   /* Azul marino casi negro (reproduce el contraste oscuro del logo) */
  --color-primary-hover: #1e293b; /* Tono ligeramente más claro para interactividad */
  --color-secondary: #475569; /* Gris azulado que complementa la sobriedad institucional */
  --color-accent: #334155;    /* Tono de acento sutil para elementos clave */

  /* Estados (Alertas y retroalimentación del sistema) */
  --color-success: #166534;
  --color-warning: #92400e;
  --color-danger: #991b1b;
  --color-info: #075985;

  /* Bordes */
  --border-default: #e2e8f0;  /* Líneas divisorias delgadas y limpias */
  --border-strong: #cbd5e1;   /* Bordes más pronunciados para componentes activos */

  /* Sombras (Efecto de elevación sutil y moderno) */
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.05);
  --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.08);

  /* Radios (Esquinas semicuadradas para un look formal y estructurado) */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;

  /* ==========================================================================
     Componentes de Mensajería (Alertas Estilizadas)
     ========================================================================== */

  /* Éxito / Correcto */
  --success: #0f5132;
  --success-bg: #d1e7dd;
  --success-border: #badbcc;
  --success-text: #0f5132;

  /* Advertencia / Proceso */
  --warning: #664d03;
  --warning-bg: #fff3cd;
  --warning-border: #ffecb5;
  --warning-text: #664d03;

  /* Peligro / Error */
  --danger: #842029;
  --danger-bg: #f8d7da;
  --danger-border: #f5c2c7;
  --danger-text: #842029;
  --danger-soft: rgba(220, 53, 69, 0.1);
  --danger-soft-strong: rgba(220, 53, 69, 0.2);

  /* Información / Avisos */
  --info: #055160;
  --info-bg: #cff4fc;
  --info-border: #b6effb;
  --info-text: #055160;
}

:root {
  /* Variables complementarias requeridas por los componentes del portal */
  --bg-elevated: rgba(255, 255, 255, .9);
  --bg-hero: radial-gradient(circle at 14% 10%, rgba(15, 23, 42, .10), transparent 28%), radial-gradient(circle at 86% 12%, rgba(71, 85, 105, .12), transparent 24%), linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  --text-link: #0f172a;
  --color-secondary-hover: #334155;
  --color-accent-hover: #1e293b;
  --color-accent-muted: #e2e8f0;
  --color-success-bg: #d1e7dd;
  --color-success-border: #badbcc;
  --color-success-text: #0f5132;
  --color-warning-bg: #fff3cd;
  --color-warning-border: #ffecb5;
  --color-warning-text: #664d03;
  --color-danger-bg: #f8d7da;
  --color-danger-border: #f5c2c7;
  --color-danger-text: #842029;
  --color-info-bg: #cff4fc;
  --color-info-border: #b6effb;
  --color-info-text: #055160;
  --border-soft: rgba(203, 213, 225, .78);
  --shadow-lg: 0 18px 42px rgba(15, 23, 42, .10);
  --shadow-brand: 0 24px 64px rgba(15, 23, 42, .16);
  --radius-xl: 16px;
  --radius-pill: 999px;
  --focus-ring-color: rgba(15, 23, 42, .38);
}

:root[data-theme="default"],
[data-theme="default"] {
  --organization-name: "EPO277";
  --bg-main: #f8fafc;
  --bg-card: #ffffff;
  --bg-muted: #f1f5f9;
  --text-primary: #0f172a;
  --text-secondary: #334155;
  --text-muted: #64748b;
  --text-inverse: #ffffff;
  --color-primary: #0f172a;
  --color-primary-hover: #1e293b;
  --color-secondary: #475569;
  --color-accent: #334155;
  --color-success: #166534;
  --color-warning: #92400e;
  --color-danger: #991b1b;
  --color-info: #075985;
  --border-default: #e2e8f0;
  --border-strong: #cbd5e1;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.05);
  --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.08);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --success: #0f5132;
  --success-bg: #d1e7dd;
  --success-border: #badbcc;
  --success-text: #0f5132;
  --warning: #664d03;
  --warning-bg: #fff3cd;
  --warning-border: #ffecb5;
  --warning-text: #664d03;
  --danger: #842029;
  --danger-bg: #f8d7da;
  --danger-border: #f5c2c7;
  --danger-text: #842029;
  --danger-soft: rgba(220, 53, 69, 0.1);
  --danger-soft-strong: rgba(220, 53, 69, 0.2);
  --info: #055160;
  --info-bg: #cff4fc;
  --info-border: #b6effb;
  --info-text: #055160;
  --bg-elevated: rgba(255, 255, 255, .9);
  --bg-hero: radial-gradient(circle at 14% 10%, rgba(15, 23, 42, .10), transparent 28%), radial-gradient(circle at 86% 12%, rgba(71, 85, 105, .12), transparent 24%), linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  --text-link: #0f172a;
  --color-secondary-hover: #334155;
  --color-accent-hover: #1e293b;
  --color-accent-muted: #e2e8f0;
  --color-success-bg: #d1e7dd;
  --color-success-border: #badbcc;
  --color-success-text: #0f5132;
  --color-warning-bg: #fff3cd;
  --color-warning-border: #ffecb5;
  --color-warning-text: #664d03;
  --color-danger-bg: #f8d7da;
  --color-danger-border: #f5c2c7;
  --color-danger-text: #842029;
  --color-info-bg: #cff4fc;
  --color-info-border: #b6effb;
  --color-info-text: #055160;
  --border-soft: rgba(203, 213, 225, .78);
  --shadow-lg: 0 18px 42px rgba(15, 23, 42, .10);
  --shadow-brand: 0 24px 64px rgba(15, 23, 42, .16);
  --radius-xl: 16px;
  --radius-pill: 999px;
  --focus-ring-color: rgba(15, 23, 42, .38);
}

/* ==========================================================================
   EPO277 · Identidad institucional del portal
   ========================================================================== */

.navbar,
.navbar-brand,
.nav-link,
.dropdown-toggle,
.nav-control,
.language-switcher,
.theme-switcher,
.a11y-switcher,
.site-header .utility-select-button,
.site-header .a11y-toggle {
  white-space: nowrap;
  overflow-wrap: normal;
  word-break: normal;
}

.site-header .container-shell {
  max-width: min(1480px, calc(100vw - 32px));
}

.navbar-brand img {
  display: block;
  width: auto;
  max-width: 176px;
  height: auto;
  max-height: 64px;
  object-fit: contain;
}

.navbar-brand .brand-text {
  display: grid;
  line-height: 1.02;
  margin-inline-start: .75rem;
  color: var(--text-primary);
}

.navbar-brand .brand-title {
  font-weight: 900;
  letter-spacing: -.02em;
}

.navbar-brand .brand-subtitle {
  font-size: .78rem;
  color: var(--text-secondary);
  font-weight: 750;
}

@media (max-width: 575.98px) {
  .navbar-brand img { max-width: 64px; max-height: 56px; }
  .navbar-brand .brand-subtitle { display: none; }
}

.site-header .dropdown-menu {
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.site-header .dropdown-item {
  border-radius: .75rem;
  font-weight: 720;
}

.school-hero {
  position: relative;
  padding-block: clamp(7rem, 11vw, 10rem) clamp(4rem, 7vw, 6.5rem);
}

.school-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(120deg, color-mix(in srgb, var(--color-primary), transparent 94%) 0 1px, transparent 1px), linear-gradient(30deg, color-mix(in srgb, var(--color-secondary), transparent 95%) 0 1px, transparent 1px);
  background-size: 58px 58px;
  mask-image: linear-gradient(180deg, #000 0%, transparent 82%);
  opacity: .72;
}

.school-hero > .container-shell {
  position: relative;
}

.hero-title,
.page-title {
  max-inline-size: 13ch;
}

.hero-copy,
.page-copy {
  max-inline-size: 64ch;
}

.logo-orb {
  position: relative;
  display: grid;
  place-items: center;
  min-height: clamp(20rem, 42vw, 34rem);
  border: 1px solid color-mix(in srgb, var(--color-primary), transparent 84%);
  border-radius: clamp(1.5rem, 3vw, 2.25rem);
  background: radial-gradient(circle at 50% 42%, color-mix(in srgb, var(--color-secondary), transparent 84%), transparent 34%), linear-gradient(145deg, color-mix(in srgb, var(--bg-card), transparent 4%), color-mix(in srgb, var(--bg-muted), transparent 6%));
  box-shadow: var(--shadow-brand);
  overflow: hidden;
  isolation: isolate;
}

.logo-orb::before,
.logo-orb::after {
  content: "";
  position: absolute;
  border-radius: 999px;
  filter: blur(34px);
  z-index: -1;
}

.logo-orb::before {
  width: 12rem;
  height: 12rem;
  background: color-mix(in srgb, var(--color-primary), transparent 72%);
  top: -3rem;
  right: -2rem;
}

.logo-orb::after {
  width: 10rem;
  height: 10rem;
  background: color-mix(in srgb, var(--color-accent), transparent 70%);
  bottom: -2rem;
  left: -1rem;
}

.logo-orb img {
  width: min(62%, 19rem);
  filter: drop-shadow(0 24px 34px rgba(15, 23, 42, .22));
}

.portal-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: .65rem;
  margin-block-start: 1.25rem;
}

.portal-chip {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  border: 1px solid color-mix(in srgb, var(--color-primary), transparent 84%);
  background: var(--bg-elevated);
  border-radius: var(--radius-pill);
  color: var(--text-primary);
  font-weight: 800;
  padding: .55rem .85rem;
  box-shadow: var(--shadow-sm);
}

.school-band {
  border-block: 1px solid var(--border-soft);
  background: color-mix(in srgb, var(--color-primary), transparent 96%);
}

.info-card,
.link-card {
  height: 100%;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-xl);
  background: var(--bg-card);
  box-shadow: var(--shadow-sm);
  padding: clamp(1.25rem, 2.5vw, 1.75rem);
}

.info-card h3,
.link-card h3 {
  font-size: clamp(1.1rem, 1.4vw, 1.35rem);
  font-weight: 900;
  margin-block-end: .75rem;
}

.info-card p,
.link-card p {
  color: var(--text-secondary);
  margin-block-end: 0;
}

.link-card {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  text-decoration: none;
  color: inherit;
  transition: transform var(--motion-base) var(--ease-standard), box-shadow var(--motion-base) var(--ease-standard), border-color var(--motion-base) var(--ease-standard);
}

.link-card:hover,
.link-card:focus-visible {
  color: inherit;
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: color-mix(in srgb, var(--color-secondary), transparent 60%);
}

.link-card .card-arrow {
  margin-block-start: auto;
  color: var(--color-primary);
  font-weight: 900;
}

.icon-badge.epo {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: var(--text-inverse);
}

.page-hero {
  padding-block: clamp(7rem, 10vw, 9rem) clamp(3rem, 6vw, 5rem);
  background: var(--bg-hero);
  border-block-end: 1px solid var(--border-soft);
}

.breadcrumb-school {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  color: var(--text-muted);
  font-weight: 750;
  margin-block-end: 1rem;
}

.breadcrumb-school a {
  color: var(--color-primary);
  text-decoration: none;
}

.content-flow > * + * {
  margin-block-start: 1rem;
}

.resource-list {
  display: grid;
  gap: .75rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.resource-list li {
  display: flex;
  gap: .75rem;
  align-items: flex-start;
  padding: .85rem 1rem;
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--bg-muted), transparent 18%);
  color: var(--text-secondary);
}

.resource-list .mark {
  flex: 0 0 auto;
  display: inline-grid;
  place-items: center;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--color-secondary), transparent 85%);
  color: var(--color-secondary);
  font-weight: 900;
}

.cta-school {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: var(--text-inverse);
  padding: clamp(1.5rem, 4vw, 3rem);
  box-shadow: var(--shadow-brand);
}

.cta-school p {
  color: color-mix(in srgb, var(--text-inverse), transparent 12%);
}

.footer-brand img {
  width: auto;
  max-width: 138px;
  max-height: 96px;
  object-fit: contain;
}

.footer a {
  color: inherit;
}

@media (min-width: 992px) {
  .site-header .navbar-nav {
    flex-wrap: nowrap;
  }
}

@media (max-width: 991.98px) {
  .site-header .navbar-nav {
    align-items: stretch !important;
  }

  .site-header .nav-link,
  .site-header .dropdown-toggle {
    justify-content: flex-start;
  }
}